What are the possible causes for error code P 1239 in an Isuzu Rodeo

Question

Check engine light has always been on, but has now started blinking and reduced power light comes on when I accelerate after stopping.

Answer 1

P1239 Isuzu Code - High Fuel Pressure System Fault
Read more: https://www.autocodes.com/p1239_isuzu.html

Answer 2

P1239 on a Isuzu Rodeo is throttle body failure, the solution is you will need a new throttle body